Transport stream multiplexing method, transport stream...

Details Transport stream multiplexing method, transport stream... Transport stream multiplexing method, transport stream...

2006-08-15

2006-08-15

Ton, Dang (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

Reexamination Certificate

active

07092411

ABSTRACT:
When forming an MPEG-TS (transport stream) containing access units which are units of access of MPEG data, transfer timing is controlled in a transfer timing control section under control of a transfer control section. Access units are thus sent as TS packets from an access unit transfer processing section. A new PTS(Presentation Time Stamp) is embedded in a PES header supplied from a PES header transfer control section, by a PTS embedding section. A TS packet sequence containing both of them is formed by a reproduction buffer. On the other hand, a PCR(Program Clock Reference) serving as a time reference is embedded in a TS packet supplied from a PCR transfer control section and a resultant TS packet is sent to a PCR buffer, by a PCR embedding section on the basis of a STC(System Time Clock) supplied from an STC section. The TS packets are multiplexed as a TS packet sequence to form an MPEG-TS, by a TS multiplexing section.

REFERENCES:
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Patent Abstracts of Japan, vol. 1999, No. 14, Dec. 22, 1999 & JP 11 252058A (Sony Corp.).
Mechanisms of MPEG Stream Synchronization, G. J. Lu, H. . Pung and T. S. Chua, Computer Communications Review, pp. 57-67.
Continuity and Synchronization in MPEG, P. Venkat Rangan, IEEE Journal on Selected Areas in Communications—Jan. 1996.

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